CN217102304U

CN217102304U - Cloth rolling device of efficient automatic sewing machine

Info

Publication number: CN217102304U
Application number: CN202220747214.5U
Authority: CN
Inventors: 李中伟
Original assignee: Zhuji Baoshijie Sewing Equipment Co ltd
Current assignee: Zhuji Baoshijie Sewing Equipment Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-08-02
Anticipated expiration: 2032-04-01

Abstract

The application discloses high-efficient automatic sewing machine's batching device, including the frame, set up the sewing machine body in the frame, still include the batching device, the batching device includes: the base is arranged on one side of the rack, a first support frame is arranged on one side of the base, which is close to the rack, and a cloth guide roller is arranged on the first support frame; the stretching mechanism is arranged on the base and positioned on one side of the first support frame and used for stretching the cloth when the cloth is rolled; the cloth winding mechanism comprises a fourth support frame, a winding roller arranged on the fourth support frame and a driving structure for driving the winding roller to rotate. The utility model has the advantages that: through being equipped with the batching device, can carry out the rolling to the cloth behind the sewing machine sewing, the batching device is including tightening straight mechanism and winding mechanism, through being equipped with tightening straight mechanism, can tighten the cloth when the cloth rolling, prevents that the fold from appearing in the cloth.

Description

Cloth rolling device of efficient automatic sewing machine

Technical Field

The utility model belongs to the technical field of the cloth processing equipment, especially, relate to a high-efficient automatic sewing machine's batching device.

Background

The cloth is a material commonly used for manufacturing clothes, plays a considerable role in daily life, and the traditional clothes enterprises mostly adopt manual control to make stitches when continuously making the stitches of small pieces of middle and large batches of clothes, but because the manual control to make the stitches has higher requirements on the technical level of operators, the labor intensity is increased, and the production efficiency and the yield are not high.

The patent of publication No. CN215710392U, it discloses a high-efficient automatic sewing machine who possesses cloth rolling function, including the base, the automatic sewing machine body of top fixedly connected with of base, the fixed surface of automatic sewing machine body is connected with control switch, and the right side fixed mounting of base inner chamber has the second motor, and the output fixedly connected with third bull stick of second motor.

Above-mentioned sewing machine is through first motor, the setting of receipts reel and first bull stick, reach the effect of automatic rolling, user's working strength has been reduced, the efficiency of work is greatly improved, through defeated material platform, the brush, the cylinder, the fly leaf, spacing post, the setting of second bull stick and clean cylinder, clean the cloth surface, prevent that cloth surface batting from excessively needing secondary operation, greatly increased is long when working, the function that present automatic cloth sewing machine does not possess the rolling has been solved simultaneously, but in the in-service use process, above-mentioned sewing machine is at the rolling in-process to the cloth, the fold appears easily to the cloth, cause the influence to subsequent processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient automatic sewing machine's batching device can solve above-mentioned problem.

The utility model provides a high-efficient automatic sewing machine's batching device, include the frame, set up the sewing machine body in the frame, still include the batching device, the batching device includes: the base is arranged on one side of the rack, a first support frame is arranged on one side, close to the rack, of the base, and a cloth guide roller is arranged on the first support frame; the stretching mechanism is arranged on the base and positioned on one side of the first support frame and used for stretching the cloth when the cloth is rolled; the cloth winding mechanism comprises a fourth support frame, a winding roller arranged on the fourth support frame and a driving structure for driving the winding roller to rotate.

Adopt foretell high-efficient automatic sewing machine's batching device, through being equipped with the batching device, can carry out the rolling to the cloth behind sewing machine sewing, the batching device is including tightening straight mechanism and winding mechanism, through being equipped with tightening straight mechanism, can tighten the cloth when the cloth rolling, prevents that the fold from appearing in the cloth, through being equipped with winding mechanism, can carry out the rolling to the cloth, wherein, through being equipped with the base, can play the supporting role to tightening straight mechanism and winding mechanism.

Further, the wind-up roll comprises; the roller body is cylindrical, one end of the roller body is provided with a limiting bulge, and the other end of the roller body is provided with a fixing bulge; the first rotating shaft is arranged on the fourth supporting frame and connected with the roller body, a limiting slot matched with the limiting protrusion is formed in one end of the first rotating shaft, and a first connecting hole connected with the first rotating shaft is formed in one end of the fourth supporting frame; the second rotating shaft is arranged on the fourth supporting frame and connected with the roller body, one end of the second rotating shaft is provided with a fixing slot matched with the fixing bulge, and the other end of the fourth supporting frame is provided with a second connecting hole connected with the second rotating shaft; the fixing protrusion is provided with a first locking hole communicated with the first locking hole, and the first locking hole is connected with the second locking hole through a bolt.

One end of the roller body is connected with the first rotating shaft through a limiting bulge and a limiting slot, the other end of the roller body is connected with the second rotating shaft through a fixing bulge and a fixing slot, so that the roller body can be conveniently installed and detached with the first rotating shaft and the second rotating shaft, wherein the second rotating shaft is provided with a first locking hole, the fixing bulge is provided with a second locking hole communicated with the first locking hole, the first locking hole is connected with the second locking hole through a bolt, so that the second rotating shaft and the roller body can be firmly fixed together, the connection strength and the stability are improved, the disassembly is convenient, the first rotating shaft and the second rotating shaft are firstly installed on a fourth supporting frame during the installation, then the roller body is installed on the first rotating shaft and the second rotating shaft, the second rotating shaft can move left and right on the fourth supporting frame through a second connecting hole, so that the installation of the roller body can be convenient, after the roller body is spliced with the first rotating shaft and the second rotating shaft, the bolt is screwed into the first locking hole and the second locking hole, the roller body and the second rotating shaft are firmly fixed together, the whole process is fast and convenient, the mounting efficiency is improved, and in addition, the dismounting is also realized by only unscrewing the bolt, so that the dismounting efficiency is improved.

Further: the driving structure comprises a heat dissipation frame arranged on the fourth supporting frame, a driving motor is arranged in the heat dissipation frame, a first belt pulley is arranged on an output shaft of the driving motor, a second belt pulley is arranged on the second rotating shaft, a connecting belt is arranged between the first belt pulley and the second belt pulley, and a plurality of heat dissipation holes are formed in the side wall of the heat dissipation frame.

Through being equipped with driving motor, driving motor drives first belt pulley when rotating and rotates, drives the second belt pulley through connecting the belt and rotates when first belt pulley rotates, drives the wind-up roll when the second belt pulley rotates and rotates to carry out the rolling to the cloth, wherein, through being equipped with the heat dissipation frame, can play the supporting role to driving motor, and be equipped with a plurality of louvres on the heat dissipation frame, can improve the radiating effect and the radiating efficiency of heat dissipation frame, driving motor's of being convenient for spill heat.

Further, the straightening mechanism comprises: the second support frame is arranged between the first support frame and the fourth support frame, a sliding groove is formed in the second support frame, and a hydraulic push rod is arranged at the bottom of the sliding groove; the sliding block is arranged in the sliding groove and moves up and down in the sliding groove, the bottom of the sliding block is provided with a push block, the bottom of the push block is connected with a hydraulic push rod, the push block is provided with a mounting groove, an ejector rod is arranged in the mounting groove, the top of the ejector rod is connected with the sliding block, and a spring is arranged between the ejector rod and the mounting groove; the first compression roller is arranged on the sliding block, and an anti-skid layer is arranged on the outer surface of the first compression roller; the second compression roller is arranged on the second support frame and located above the first compression roller, and an anti-skid layer is also arranged on the outer surface of the second compression roller.

When in use, the height of the push block can be changed by starting the hydraulic push rod, because the push block is provided with the mounting groove, the push rod is arranged in the mounting groove, the top of the push rod is connected with the slide block, and a spring is arranged between the push rod and the mounting groove, when the hydraulic push rod drives the push block to rise, the slide block is driven to rise, the first press roller is arranged on the slide block, the first press roller can be contacted with the second press roller along with the rise of the slide block, and under the influence of the spring, the contact tension between the first press roller and the second press roller can be prevented, wherein, the second press roller is also connected with a motor and used for driving the second press roller to rotate, when in use, the cloth passes through the first press roller and the second press roller and is fixed on the wind-up roller, simultaneously, the hydraulic push rod is started to clamp the cloth between the first press roller and the second press roller, the second press roller is driven by the motor to rotate, and the cloth can be influenced by the pressure between the first press roller and the second press roller and the anti-slip layer when in rolling, the cloth can keep a tight state under certain resistance.

Furthermore, the straightening mechanism further comprises a third support frame, the third support frame is arranged between the second support frame and the fourth support frame, a sliding groove is formed in the third support frame, an adjusting roller capable of moving up and down is arranged in the sliding groove, and a hydraulic rod used for driving the adjusting roller to move up and down is arranged at the bottom of the adjusting roller.

When the cloth rolling, the hydraulic stem can drive the dancer rools and reciprocate, and the cloth is located the below of dancer rools, when the dancer rools reciprocated, can adjust the tensioning degree of cloth, makes the cloth be in the tensioning state always, prevents the production of fold, can also play certain guide effect.

The utility model has the advantages that:

1. the cloth rolling device comprises a straightening mechanism and a rolling mechanism, the cloth can be tensioned when the cloth is rolled by the straightening mechanism, the cloth is prevented from being wrinkled, the cloth can be rolled by the rolling mechanism, and the straightening mechanism and the rolling mechanism can be supported by the base;

2. the first locking hole is formed in the second rotating shaft, the second locking hole communicated with the first locking hole is formed in the fixing protrusion, the first locking hole is connected with the second locking hole through the bolt, the second rotating shaft and the roller body can be firmly fixed together, the connecting strength and the stability are improved, meanwhile, the disassembly is convenient, the first rotating shaft and the second rotating shaft are firstly installed on the fourth supporting frame during installation, then the roller body is installed on the first rotating shaft and the second rotating shaft, the whole process is fast and convenient, the installation efficiency is improved, and in the disassembly process, the quick disassembly can be realized only by unscrewing the bolt, and the disassembly efficiency is improved;

3. through being equipped with hydraulic stem and dancer rools, when the cloth rolling, the hydraulic stem can drive the dancer rools and reciprocate, and the cloth is located the below of dancer rools, when the dancer rools reciprocates, can adjust the tensioning degree of cloth, makes the cloth be in the tensioning state always, prevents the production of fold, can also play certain guide effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the winding mechanism and the driving structure of the present invention.

The reference numbers in the figures are: 100. a frame; 110. a sewing machine body; 200. a base; 210. a first support frame; 220. a cloth guide roller; 300. a straightening mechanism; 310. a second support frame; 311. a chute; 312. a hydraulic push rod; 320. a slider; 330. a push block; 331. mounting grooves; 332. a top rod; 333. a spring; 340. A first press roll; 350. a second press roll; 360. an anti-slip layer; 370. a third support frame; 371. a sliding groove; 380. a regulating roller; 390. a hydraulic lever; 400. a fourth support frame; 410. a first connection hole; 420. a second connection hole; 500. a wind-up roll; 510. a roller body; 511. a limiting bulge; 512. a fixed protrusion; 513. A second locking hole; 520. a first rotating shaft; 521. limiting slots; 530. a second rotating shaft; 531. fixing the slot; 532. a first locking hole; 540. a bolt; 600. a drive structure; 610. a heat dissipation frame; 611. heat dissipation holes; 620. a drive motor; 630. a first pulley; 640. a second pulley; 650. and connecting the belt.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The cloth rolling device of the high-efficiency automatic sewing machine provided by the embodiment of the application is described in detail by specific embodiments and application scenes thereof with reference to the attached drawings.

Example 1:

as shown in fig. 1 and fig. 2, the present application provides a cloth rolling device of an automatic high-efficiency sewing machine, including a frame 100, a sewing machine body 110 disposed on the frame 100, and further including a cloth rolling device, the cloth rolling device includes: the base 200 is arranged on one side of the rack 100, a first support frame 210 is arranged on one side of the base 200 close to the rack 100, and a cloth guide roller 220 is arranged on the first support frame 210; a stretching mechanism 300, which is arranged on the base 200 and is positioned at one side of the first support frame 210, and is used for stretching the cloth when the cloth is rolled; the cloth winding device further comprises a winding mechanism, wherein the winding mechanism is arranged on one side, away from the base 200, of the straightening mechanism 300 and used for winding cloth, and the winding mechanism comprises a fourth support frame 400, a winding roller 500 arranged on the fourth support frame 400 and a driving structure 600 for driving the winding roller 500 to rotate.

In some embodiments of the embodiment of the present application, as shown in fig. 1, the cloth rolling device of the above-mentioned high-efficiency automatic sewing machine is adopted, and by being provided with the cloth rolling device, the cloth can be rolled up after sewing by the sewing machine, and the cloth rolling device comprises a straightening mechanism 300 and a rolling mechanism, and by being provided with the straightening mechanism 300, the cloth can be tightened when being rolled up, so that wrinkles are prevented from appearing on the cloth, and by being provided with the rolling mechanism, the cloth can be rolled up, wherein, by being provided with the base 200, the straightening mechanism 300 and the rolling mechanism can be supported.

In addition, the straightening mechanism 300 further comprises a third support frame 370, the third support frame 370 is arranged between the second support frame 310 and the fourth support frame 400, a sliding groove 371 is arranged on the third support frame 370, an adjusting roller 380 capable of moving up and down is arranged in the sliding groove 371, and a hydraulic rod 390 for driving the adjusting roller 380 to move up and down is arranged at the bottom of the adjusting roller 380.

In this application embodiment, when the cloth rolling, hydraulic stem 390 can drive dancer 380 and reciprocate, and the cloth is located dancer 380's below, when dancer 380 reciprocated, can adjust the tensioning degree of cloth, makes the cloth be in the tensioning state always, prevents the production of fold, can also play certain guide effect.

Example 2:

the embodiment of the application provides a cloth rolling device of an efficient automatic sewing machine, and the cloth rolling device of the efficient automatic sewing machine comprises the following technical characteristics besides the technical characteristics.

As shown in fig. 2, the wind-up roll 500 includes; the roller body 510 is cylindrical, one end of the roller body 510 is provided with a limiting bulge 511, and the other end of the roller body 510 is provided with a fixing bulge 512; a first rotating shaft 520 disposed on the fourth supporting frame 400 and connected to the roller body 510, wherein a limiting slot 521 adapted to the limiting protrusion 511 is disposed at one end of the first rotating shaft 520, and a first connection hole 410 connected to the first rotating shaft 520 is disposed at one end of the fourth supporting frame 400; a second rotating shaft 530 disposed on the fourth supporting frame 400 and connected to the roller body 510, wherein one end of the second rotating shaft 530 is provided with a fixing slot 531 adapted to the fixing protrusion 512, and the other end of the fourth supporting frame 400 is provided with a second connecting hole 420 connected to the second rotating shaft 530; the second rotating shaft 530 is provided with a first locking hole 532, the fixing protrusion 512 is provided with a second locking hole 513 communicated with the first locking hole 532, and the first locking hole 532 is connected with the second locking hole 513 through a bolt 540.

In the embodiment of the present application, one end of the roller 510 is connected to the first rotating shaft 520 through the limiting protrusion 511 and the limiting slot 521, the other end of the roller 510 is connected to the second rotating shaft 530 through the fixing protrusion 512 and the fixing slot 531, so that the roller 510 can be conveniently mounted on and dismounted from the first rotating shaft 520 and the second rotating shaft 530, wherein the second rotating shaft 530 is provided with a first locking hole 532, the fixing protrusion 512 is provided with a second locking hole 513 communicated with the first locking hole 532, the first locking hole 532 is connected to the second locking hole 513 through a bolt 540, so that the second rotating shaft 530 and the roller 510 can be firmly fixed together, the connection strength and stability are improved, and the dismounting is convenient, when the mounting is performed, the first rotating shaft 520 and the second rotating shaft 530 are mounted on the fourth supporting frame 400, the roller 510 is mounted on the first rotating shaft 520 and the second rotating shaft 530, the second rotating shaft 530 can move left and right on the fourth supporting frame 400 through the second connecting hole 420, the installation of the roller body 510 can be facilitated, when the roller body 510 and the first rotating shaft 520 are plugged, the bolt 540 is screwed into the first locking hole 532 and the second locking hole 513 after the second rotating shaft 530 is plugged, the roller body 510 and the second rotating shaft 530 are firmly fixed together, the whole process is fast and convenient, the installation efficiency is improved, and when the roller body is detached, the roller body can be detached quickly only by unscrewing the bolt 540, and the detachment efficiency is improved.

Example 3:

As shown in fig. 2, the driving structure 600 includes a heat dissipation frame 610 disposed on the fourth supporting frame 400, a driving motor 620 is disposed in the heat dissipation frame 610, a first belt pulley 630 is disposed on an output shaft of the driving motor 620, a second belt pulley 640 is disposed on the second rotating shaft 530, a connection belt 650 is disposed between the first belt pulley 630 and the second belt pulley 640, and a plurality of heat dissipation holes 611 are disposed on a sidewall of the heat dissipation frame 610.

In this application embodiment, through being equipped with driving motor 620, driving motor 620 drives first belt pulley 630 when rotating and rotates, first belt pulley 630 drives second belt pulley 640 through connecting belt 650 when rotating and rotates, second belt pulley 640 drives wind-up roll 500 when rotating and rotates, thereby roll the cloth, wherein, through being equipped with heat dissipation frame 610, can play the supporting role to driving motor 620, and be equipped with a plurality of louvres 611 on heat dissipation frame 610, can improve the radiating effect and the radiating efficiency of heat dissipation frame 610, be convenient for scattering heat of driving motor 620.

Example 4:

As shown in fig. 1, the straightening mechanism 300 includes: the second support frame 310 is arranged between the first support frame 210 and the fourth support frame 400, a sliding groove 311 is arranged in the second support frame 310, and a hydraulic push rod 312 is arranged at the bottom of the sliding groove 311; the sliding block 320 is arranged in the sliding groove 311 and moves up and down in the sliding groove 311, the bottom of the sliding block 320 is provided with a push block 330, the bottom of the push block 330 is connected with the hydraulic push rod 312, the push block 330 is provided with a mounting groove 331, a push rod 332 is arranged in the mounting groove 331, the top of the push rod 332 is connected with the sliding block 320, and a spring 333 is arranged between the push rod 332 and the mounting groove 331; the first pressing roller 340 is arranged on the sliding block 320, and an anti-skid layer 360 is arranged on the outer surface of the first pressing roller 340; and the second pressing roller 350 is arranged on the second supporting frame 310 and above the first pressing roller 340, and an anti-slip layer 360 is also arranged on the outer surface of the second pressing roller 350.

In the embodiment of the application, when in use, the height of the pushing block 330 can be changed by starting the hydraulic push rod 312, because the pushing block 330 is provided with the mounting groove 331, the push rod 332 is arranged in the mounting groove 331, the top of the push rod 332 is connected with the sliding block 320, and the spring 333 is arranged between the push rod 332 and the mounting groove 331, when the hydraulic push rod 312 drives the pushing block 330 to ascend, the sliding block 320 is driven to ascend, the first press roller 340 is arranged on the sliding block 320, the first press roller 340 can contact with the second press roller 350 along with the ascending of the sliding block 320, and under the influence of the spring 333, the contact between the first press roller 340 and the second press roller 350 can be prevented from being too tight, wherein the second press roller 350 is also connected with a motor for driving the second press roller 350 to rotate, when in use, the cloth passes through the first press roller 340 and the second press roller 350 and is fixed on the wind-up roller 500, and the hydraulic push rod 312 is started to clamp the cloth between the first press roller 340 and the second press roller 350, the second pressing roller 350 is driven by the motor to rotate, and the cloth can be influenced by the pressure between the first pressing roller 340 and the second pressing roller 350 and the anti-slip layer 360 when being rolled, and is subjected to certain resistance, so that the cloth can be kept in a tight state.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a high-efficient automatic sewing machine's batching device, includes frame (100), sets up sewing machine body (110) on frame (100), its characterized in that: still include the batching device, the batching device includes:

the cloth guide device comprises a base (200) arranged on one side of a rack (100), wherein a first support frame (210) is arranged on one side, close to the rack (100), of the base (200), and a cloth guide roller (220) is arranged on the first support frame (210);

the stretching mechanism (300) is arranged on the base (200), is positioned on one side of the first support frame (210), and is used for stretching the cloth when the cloth is rolled;

the cloth winding mechanism comprises a fourth support frame (400), a winding roller (500) arranged on the fourth support frame (400) and a driving structure (600) for driving the winding roller (500) to rotate, and is arranged on one side, far away from the base (200), of the straightening mechanism (300) and used for winding cloth.

2. The cloth rolling device of the high efficiency automatic sewing machine according to claim 1, characterized in that: the wind-up roll (500) comprises;

the roller body (510) is cylindrical, one end of the roller body (510) is provided with a limiting bulge (511), and the other end of the roller body (510) is provided with a fixing bulge (512);

the first rotating shaft (520) is arranged on the fourth supporting frame (400) and connected with the roller body (510), one end of the first rotating shaft (520) is provided with a limiting slot (521) matched with the limiting protrusion (511), and one end of the fourth supporting frame (400) is provided with a first connecting hole (410) connected with the first rotating shaft (520);

the second rotating shaft (530) is arranged on the fourth supporting frame (400) and connected with the roller body (510), one end of the second rotating shaft (530) is provided with a fixing slot (531) matched with the fixing bulge (512), and the other end of the fourth supporting frame (400) is provided with a second connecting hole (420) connected with the second rotating shaft (530);

the second rotating shaft (530) is provided with a first locking hole (532), the fixing protrusion (512) is provided with a second locking hole (513) communicated with the first locking hole (532), and the first locking hole (532) is connected with the second locking hole (513) through a bolt (540).

3. The cloth rolling device of the high efficiency automatic sewing machine according to claim 2, characterized in that: drive structure (600) is including setting up heat dissipation frame (610) on fourth support frame (400), be equipped with driving motor (620) in heat dissipation frame (610), be equipped with first belt pulley (630) on the output shaft of driving motor (620), be equipped with second belt pulley (640) on second pivot (530), be equipped with between first belt pulley (630) and second belt pulley (640) and be connected belt (650), just be equipped with a plurality of louvres (611) on the lateral wall of heat dissipation frame (610).

4. A cloth rolling device of an automatic sewing machine with high efficiency according to claim 3, characterized in that: the straightening mechanism (300) comprises:

the second support frame (310) is arranged between the first support frame (210) and the fourth support frame (400), a sliding groove (311) is formed in the second support frame (310), and a hydraulic push rod (312) is arranged at the bottom of the sliding groove (311);

the sliding block (320) is arranged in the sliding groove (311) and moves up and down in the sliding groove (311), a push block (330) is arranged at the bottom of the sliding block (320), the bottom of the push block (330) is connected with a hydraulic push rod (312), a mounting groove (331) is formed in the push block (330), a push rod (332) is arranged in the mounting groove (331), the top of the push rod (332) is connected with the sliding block (320), and a spring (333) is arranged between the push rod (332) and the mounting groove (331);

the first pressing roller (340) is arranged on the sliding block (320), and an anti-skid layer (360) is arranged on the outer surface of the first pressing roller (340);

the second pressing roller (350) is arranged on the second supporting frame (310) and located above the first pressing roller (340), and an anti-skid layer (360) is also arranged on the outer surface of the second pressing roller (350).

5. The cloth rolling device of the high efficiency automatic sewing machine according to claim 4, characterized in that: the straightening mechanism (300) further comprises a third support frame (370), the third support frame (370) is arranged between the second support frame (310) and the fourth support frame (400), a sliding groove (371) is formed in the third support frame (370), an adjusting roller (380) capable of moving up and down is arranged in the sliding groove (371), and a hydraulic rod (390) used for driving the adjusting roller (380) to move up and down is arranged at the bottom of the adjusting roller (380).